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Intertidal Life of Yerba Buena Island

A guide to the invertebrates, seaweeds, and vertebrates found in the intertidal areas of Yerba Buena Island. Data was primarily collected during surveys conducted by the California Academy of Sciences in 2019-2021 and during bioblitzes held in 2017-2021.

Channeled Topsnail 1
Calliostoma canaliculatum
Glorious Topsnail 1
Calliostoma gloriosum
Black Tegula 2
Tegula funebralis
Taylor's Seahare 3
Phyllaplysia taylori
San Diego Dorid 1
Diaulula sandiegensis
Red Dorid 4
Rostanga pulchra
Monterey Doris 5
Doris montereyensis
Enosima Aeolid 1
Sakuraeolis enosimensis
Opalescent Nudibranch 1
Hermissenda opalescens
Black-tipped Spiny Dorid 1
Acanthodoris rhodoceras
Hedgpeth's Dorid 6
Polycera hedgpethi
Green Falsejingle 7
Pododesmus macrochisma
Nuttall's Cockle 8
Clinocardium nuttallii
Arctic Hiatella 9
Hiatella arctica
Pacific Gaper 10
Tresus nuttallii
California Softshell 11
Cryptomya californica
Soft-shelled Clam 12
Mya arenaria
Asian Date Mussel 13
Arcuatula senhousia
California Mussel 14
Mytilus californianus
Complex Mytilus edulis 15
Mytilus edulis
Crassostreinae 16
Olympia Oyster 17
Ostrea lurida
Giant Rock Scallop 18
Crassadoma gigantea
Piddocks and Angelwings 19
Pholadidae
Bent-nosed Clam 20
Macoma nasuta
Pacific Littleneck Clam 21
Leukoma staminea
Japanese Littleneck 22
Ruditapes philippinarum
Bugula 23
Cryptosula pallasiana 24
kelp lace bryozoan 10
Membranipora membranacea
Lacy Crust Bryozoans 25
Membranipora
Watersipora 17
Long-armed Brittle Star 26
Amphiodia occidentalis
Amphipholis 27
Esmark's brittle star 1
Ophioplocus esmarki
Ascidia zara 1
Sea Vase 28
Ciona intestinalis
Ciona robusta 29
Ciona savignyi 1
Corellidae 30
Wrinkled Sea Mats 31
Didemnum
Jelly Crust Tunicate 32
Diplosoma listerianum
Northern Sea Squirt 13
Molgula manhattensis
San Diego Sea Squirt 13
Botrylloides diegensis
Chain tunicate 1
Botrylloides violaceus
Star Tunicate 10
Botryllus schlosseri
Stalked Sea Squirt 1
Styela clava
Bat Ray 33
Myliobatis californica
Leopard Shark 34
Triakis semifasciata
Harbor Seal 35
Phoca vitulina
Common Raccoon 36
Procyon lotor
Feather Boa Kelp 37
Egregia menziesii
Sea Cauliflower 38
Leathesia marina
Rockweed 39
Fucus distichus
Little Rockweed 40
Pelvetiopsis limitata
Giant Kelp 41
Macrocystis pyrifera
Japanese Wireweed 42
Sargassum muticum
chain bladder kelp 43
Stephanocystis osmundacea
Diatoms 44
Bacillariophyceae
Delicate Sea Lace 11
Microcladia coulteri
Grape Tongue 10
Cryptopleura ruprechtiana
Cryptopleura 45
crisscross network 17
Polyneura latissima
Bleached brunette 46
Cryptosiphonia woodii
Pikea californica 47
Scouring-pad alga 40
Endocladia muricata
seagrass laver 48
Smithora naiadum
Gelidium 49
Turkish Towel 50
Chondracanthus exasperatus
splendid iridescent seaweed 51
Mazzaella splendens
Mazzaella . 52
Mazzaella
red sea spaghetti 53
Gracilariopsis andersonii
sea spaghettis 47
Gracilariopsis
Cumagloia andersonii 47
bushy Turkish washcloth 47
Mastocarpus jardinii
Turkish washcloth 51
Mastocarpus papillatus
encrusting red algae 54
Mastocarpus
Sarcodiotheca 55
Gigartinales 51
Orange Rock Hair 56
Trentepohlia aurea
Gutweed 57
Ulva intestinalis
broadleaf sea lettuce 58
Ulva lactuca

Edited by Rebecca Johnson, some rights reserved (CC BY-SA)

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